电话远程监控系统的研究与制作-毕业设计

电话远程监控系统的研究与制作

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学生：XX 指导教师：XX

内容摘要：现在,电话机已经走进了千家万户,但是利用电话机进行远程监控的技术却没有多少实质性的进展。众所周知,近几年通信和电子信息技术行业有了长足发展,本文设计了一种电话远程监控系统,该系统以AT89C2051单片机和MT8870双音多频解码集成电路为核心，借助公共电话网络，通过电话实现对远程设备智能化控制。文章介绍了系统的组成、工作原理及程序设计方法。对“振铃检测、模拟摘挂机控制、双音频解码，语音提示及家用电器控制”等电路作了详细的说明。用户在户外可通过任意一部双音多频电话（包括手机、电话分机）,根据语音提示,可以对各种电器（如电饭锅、微波炉等电器）进行远程控制。

关键词：AT89C2051单片机双音多频DTMF解码电路振铃检测摘挂机控制

Phone Remote Monitoring System of Research and Production

Abstract: Now, telephone is widely used all over the world. As we all know that there is a great development in communication and electrical technology. In this article a long-distanc

e control system based on telephone network is designed. It can be called intelligence control system. Depend on the network of telephone, some functions of the long-distance control system become true. In this article the compose of the control system and the principle about the long-distance control system are introduced. To meet the needs of long-distance电子离合器 and management of automation industry equipments based on 光纤收发器机架network of communication.

Keywords: Intelligence Controller Communication Long-distance

蜂鸣器驱动电路

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